Wide Applicable Occasions - The window ac bracket can be easily installed on many types of windows, best for walls with thickness from 2"" to 11"", and corresponds to a wide range of air conditioner brands Easy Installation - The ac brackets for windows only need to be drilled on the window sill to install, the whole process of indoor operation, no outdoor work, safe and fast Scientific Design - The window air conditioner bracket is equipped with multiple adjustable pads and a bubble level, which can adjust the bracket according to the actual environment, making the air conditioner more stable and firm Safe and Reliable - The ac bracket is made of high-quality steel, which is strong and durable. The stable triangular structure distributes the weight reasonably, can bear the weight of the air conditioner large enough, and is safe and secure Verification Test - The air conditioning bracket is rigorously tested up to 20 times in various environments to ensure product quality and safety